package com.newcapec.lesson4;

public class Demo3 {
    public static void main(String[] args) {
        fun1();
    }

    static void fun1(){
        System.out.println("fun1()...");
    }

    void fun1(int a){
        System.out.println(a);
    }

    int fun1(int a,int b){
        return  a+b;
    }

    static int fun1(int... arr){
        return  arr.length;
    }
}
